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if (key in object) or if(object.hasOwnProperty(key)
Do the following two statements produce the same output? Is there any reason to prefer one way to the other?
7 Answers
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Two way sync with rsync
I have a folder a/ and a remote folder A/.
I now run something like this on a Makefile:
10 Answers
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What is the fastest integer division supporting division by zero no matter what the result is?
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Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
int f (int x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in t...
How to enable mod_rewrite for Apache 2.2
I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite.
15 Answers
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How to pass the password to su/sudo/ssh without overriding the TTY?
I'm writing a C Shell program that will be doing su or sudo or ssh . They all want their passwords in console input (the TTY) rather than stdin or the command line.
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How do I use spaces in the Command Prompt?
How can I use spaces in the Windows Command Line?
11 Answers
11
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How to get Erlang's release version number from a shell?
Many programs return their version number with a command like:
11 Answers
11
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How do I create a slug in Django?
I am trying to create a SlugField in Django.
9 Answers
9
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How to define a function in ghci across multiple lines?
I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example:
7 Answers
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